Composition for jewelry
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 6, 2000
Issued Date -
N/A
app pub date -
Oct 15, 1998
filing date -
Jul 31, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A platinum alloy has a white finish and comprises platinum, rhodium and ruthenium, with the platinum being present at a concentration of about 95% by weight, the rhodium being present at a concentration from about 2.5% to about 3.5% by weight, with increasing whiteness and workability at 3.5% Rh, and the ruthenium being present at a concentration correspondingly from about 1.5% to about 2.5% by weight, with the preferred composition being at about 1.5% by weight. In addition, methods of preparing the alloy and aesthetic items made with the alloy are included.
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